package com.guoteng.androidlearn;

import android.content.Context;
import android.support.annotation.NonNull;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

/**
 * Created by zhaoguoteng on 2017/1/22.
 */

public class FruitAdapter extends ArrayAdapter<Fruit> {

    private int resourceId;

    public FruitAdapter(Context context, int textViewResourceId, List<Fruit> objects) {

        super(context, textViewResourceId, objects);

        resourceId = textViewResourceId;
    }

    @NonNull
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        Fruit fruit = getItem(position);

        View view;
        ViewHolder viewHolder;

        if (convertView == null) {

            view = LayoutInflater.from(getContext()).inflate(resourceId, parent, false);
            viewHolder = new ViewHolder();

            viewHolder.fruitImage = (ImageView) view.findViewById(R.id.fruit_image);
            viewHolder.fruitName = (TextView) view.findViewById(R.id.fruit_name);

            view.setTag(viewHolder);
        }else {

            view = convertView;
            viewHolder = (ViewHolder) view.getTag();
        }


        viewHolder.fruitImage.setImageResource(fruit.getImageId());
        viewHolder.fruitName.setText(fruit.getName());

        return view;
    }

    class ViewHolder {

        ImageView fruitImage;
        TextView fruitName;
    }
}
